General Program Preferences define the behavior of various features and commands.
To set General Program Preferences:
Display the General Program Preferences dialog by doing one of the following:
Choose File > Preferences > General Program Preferences; or
Right-click on an empty portion of the workspace or a toolbar to display the main context menu, and then choose General Program Preferences.
Click the tab containing the preference information you want to change.
Display and Caching Preferences
Transparency and Shading Preferences
Modify the desired settings, and then click OK.
Resetting Application Preferences
Setting File Format Associations
Setting File Format Preferences
Customizing Toolbars and Menus
Adjusting Monitor Display Options